Female College Student Volunteers as a Slave 1991 女子大生　奴隷志願

Itsuko, a university student, has lost interest in her boyfriend Kume's weak sexual relationship and is having an affair with her university assistant. Meanwhile, Itsuko's classmate Yoko is giving sex lessons to Makoto, a high school student she tutors. Makoto's brother, Jin, is a playboy who preys on the female university students who are Makoto's tutors one after another...